Taxonomy is the ________
A) study of cells
B) naming and classifying of species
C) study of organisms and their interaction with the environment
D) study of genes
B
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The ?1 protein produced by the yeast MAT?? allele functions:
A. alone to repress ?-specific genes in haploid ? cells. B. with Mcm1 protein to repress ?-specific genes in haploid ? cells. C. with ?2 protein to repress haploid-specific genes in diploid cells. D. with a1 protein to repress ?-specific genes in diploid cells.
Attachment of a bacteriophage to its host requires ________.
A. specific receptor molecules on the host cell B. specific surface proteins on the bacteriophage and specific receptor molecules on the host cell C. specific surface proteins on the bacteriophage D. nucleic acid protein interactions
Suppose Apple is considering increasing its advertising expenditures to promote the most recent iPhone. To try to assess the effect of such a move, it looks at sales in several small markets. In some of these markets Apple increased advertising expenditures by 30% and in others there was no change. When conducting this "experiment," what is the treatment?
A. The increase in advertising expenditures B. The number of small markets that received an increase in advertising expenditures C. iPhone sales in the small markets that were studied D. The increase in iPhone sales in markets experiencing the increase in advertising expenditures
Members of the actinomycetes reproduce asexually by
A. producing spores. B. producing endospores. C. binary fission. D. fragmentation. E. budding.